Video consumption will drive 85pc traffic from data centers to end users by 2021

BANGALORE, INDIA: Driven by surging cloud applications, data center traffic is growing fast. Both consumer and business applications are contributing to the growing dominance of cloud services over the Internet.

For consumers, streaming video, social networking, and Internet search are among the most popular cloud applications.

Compared to 88 percent in 2016, globally, cloud data center traffic will represent 95 percent of total data center traffic by 2021, according to the Cisco Global Cloud Index study forecast. The global cloud data center traffic to reach 19.5 zettabytes (ZB) per year by 2021, up from 6.0 ZB per year in 2016 (3.3-fold growth).